Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention
Patent
1990-06-20
1991-09-10
Taylor, Dennis L.
Hydraulic and earth engineering
Earth treatment or control
Shoring, bracing, or cave-in prevention
405284, 405272, E02D 302
Patent
active
050468987
ABSTRACT:
An elongated building block has spaced apart inner and outer faces and top and bottom faces and complementary end portions with openings therein. The openings of the block are disposed on a straight longitudinal axis and clearance is located adjacent the longitudinal axis and a central portion of the inner face of the block. When horizontal rows of similar blocks are stacked one upon the other, end portions of the blocks in one row are positioned above central portions of blocks in an adjacent row, so the joints between the blocks are staggered. Generally vertical connecting rods pass through aligned openings to connect alternate rows of the blocks together. Clearance in alternate rows of blocks exposes intermediate portions of the connecting rods. When used as an embankment retaining wall, generally horizontal tie back rods embedded in the embankment connect with the exposed intermediate portions of the connecting rods passing between alternate rows of blocks. Exposed intermediate portions of the connecting rods provide a relatively wide tolerance for connection to the tie back rods.
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McBee J. Russell
Taylor Dennis L.
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